Home / 54,291.66-74,924.64-30,418.53

Finding the Fourth Proportional to 54,291.66, 74,924.64 and 30,418.53

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Solution

The fourth proportional to 54,291.66, 74,924.64 and 30,418.53 is: 41,978.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,291.66 : 74,924.64 = 30,418.53 : x
  2. Step 2: Convert to fraction form
    54,291.66/74,924.64 = 30,418.53/x
  3. Step 3: Cross multiply
    54,291.66x = 74,924.64 × 30,418.53
  4. Step 4: Simplify right side
    54,291.66x = 2,279,097,409.58
  5. Step 5: Solve for x
    x = 2,279,097,409.58/54,291.66
  6. Step 6: Final answer
    x = 41,978.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.